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Substance Name: Phenaphthazine
RN: 5423-07-4
UNII: 4U1WVN6KUX
InChIKey: XBLIFEQTVVSTIM-QIKYXUGXSA-L

Molecular Formula

  • C16-H10-N4-O11-S2.2Na

Molecular Weight

  • 542.368
 
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Names and Synonyms

Name of Substance

  • Phenaphthazine

Synonyms

  • C.I. 14890
  • delta Paper, indicator
  • EINECS 226-549-8
  • Nitrazine paper
  • Nitrazine Yellow
  • Nitrazol Yellow
  • NSC 9360
  • Phenaphthazine
  • UNII-4U1WVN6KUX

Systematic Names

  • 2,7-Naphthalenedisulfonic acid, 3-((2,4-dinitrophenyl)azo)-4-hydroxy-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-(2-(2,4-dinitrophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2)
  • Disodium 2-(2,4-dinitrophenylazo)-1-hydroxynaphthalene-3,6-disulphonate

Registry Numbers

CAS Registry Number

  • 5423-07-4

FDA UNII

  • 4U1WVN6KUX

Related Registry Number

  • 1716-22-9 (Parent)

System Generated Number

  • 0005423074

Molecular Formulas

Molecular Formula

  • C16-H10-N4-O11-S2.2Na

Molecular Formula Fragments

  • C16-H10-N4-O11-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C16H10N4O11S2.2Na/c21-16-11-3-2-10(32(26,27)28)5-8(11)6-14(33(29,30)31)15(16)18-17-12-4-1-9(19(22)23)7-13(12)20(24)25;;/h1-7,21H,(H,26,27,28)(H,29,30,31);;/q;2*+1/p-2/b18-17+;;

InChIKey

XBLIFEQTVVSTIM-QIKYXUGXSA-L

Smiles

c12c(O)c(\N=N\c3c([N+]([O-])=O)cc([N+]([O-])=O)cc3)c(S(=O)(=O)[O-])cc1cc(S(=O)(=O)[O-])cc2.[Na+].[Na+]